ORONO, MAINE — 04/18/2015 – A team works to crab walk to the next station during the fifth annual First Lieutenant James R. Zimmerman Memorial Fitness Challenge at the University of Maine campus in Orono Saturday. The challenge has team of four test their mental and physical toughness through a variety of tasks and obstacles. The ZFC was established in 2011 to honor and remember 1st Lt James R. Zimmerman who was killed in combat in 2010. Ashley L. Conti | BDN